Pasteurizing apparatus.



No. 781.860. PATENTED FEB. '7, 1905. W. B. WRIGHT.

PASTBURIZING APPARATUS.

APPLICATION FILED SJPT.5. 1903.

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W. B. WRIGHT.

PASTEURIZING APPARATUS.

APPLICATION FILED SEPT.5, 1903.

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W. B. WRIGHT.

PASTEURIZING APPARATUS,

APPLIOATION FILED SEPT.5. 1903.

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Z42 1, ZZerj UNITED STATES Patented February 7', 1905.

ATENT Fries.

\YALTER B. RIGHT, OF CHICAGO, ILLlNOIS, ASSIGNOR- TO E. GOLDA'IAN & 00.,A CORPORATION OF ILLINOIS.

PASTEURIZING APPARATUS.

SPECIFICATION forming part of Letters Patent No. 781,860, dated February7, 1905.

Application filed September 5, 1903. Serial No. 172,041.

To (LU whom it may concern:

Be it known that I, \VALTER B. \Varerrr, a l

citizen of the United States, residing at Chicago, in the county of(look and Stateot' lllinois, have invented a new and useful Improvementin Pasteurizing Apparatus, of which the following is a specification.

My invention relates to an improvement in the class of apparatusemployed for pasteurizing beer in bottles by supporting the filledbottles upon trays pivotally mounted on endless chains to travel througha holder containing water at different degrees of temperature indifferent parts or zones, through which the bottles are caused to pass.

The object of my invention is to provide a generally improvedconstruction of the apparatus in matters of' detail; and it consists inthe combination of parts hereinafter described. and pointed out in theappended claim.

Referring to the accompanying drawings, Figure 1 is a view in sideelevation, partly sectional, of a known general form of pasteurizingapparatus provided with my improvements; Fig. 2, a section taken at theline 2 on Fig. 1 viewed in the direction of the arrow and enlarged,showing pulley details; Fig. 3, a view showing two of the three sectionsin which 1 construct the apparatus fitted together with the casing orholder in longitudinal vertical section and the mechanism within it inelevation, and Fig. l a similar view of the third section of theapparatus disconnected from the other two sections thereof.

A is the holder, which my construction enables me to form of a singlewall of metal in three sections A, A and A, flanged where they fittogether. The section A is of the substantially rectangular shapeillustrated, with the inner wall (1 extending upward only part way tothe upper wall 7) and having its upper end portion turned, as at a, toextend at an angle to the wall a. The section A is of the same generalform with its inner wall 11 extending only part way to the upper wall 7)and turned, as to its upper end portion, at /",to extend at an angle tothe wall a,whereby when the two sections A and A are put together toabut at their flanges r r they form the air-space B between them and therestrict- 5 ed connecting-passage 0 between the sections over theair-space. The end wall If of the section A extends short of thebase-wall b" of that section and is turned outward at its lower end, asat m and provided with a flange 1* to 55 form the restricted passage 0'for communication with the scction A. This section, which is open at itstop, is also of' general rectangular shape, but higher than the othersections, which are both of' the same height, and 0 its inner side wall1/ extends short of the basewall I) and is turned at its lower end to anangle, as at w, and provided with a flange r to meet the flange at .1and form a continuation of the passage 0. The structure is shown to 5 besurrounded at intervals with reinforcingribs 0, represented inchannel-iron form. The neck at .1 connecting the sections of the passageC, forms an air-space B between the sections A" and A. By the sectionalconstruc- 7 tion of the holder A thus described, producing theair-spaces B and B, free circulation of air about the sections isafforded to tend to maintain the water contents of the holder at thedesired different temperatures in the sev- 75 eral sections, and allnecessity of providing the structure with a double wall for insulatingit is avoided, with the advantages of materially decreasing the expenseof construc tion and of more effectually maintaining the SO varyingtemperatures in the different parts of the apparatus.

An overflow-pipe leads from near the top of the section A into the samenear its bottom, where a steam-jet pipe 1/, containing a 5 shut-offvalve (1, enters the overflow-pipe for the usual purpose hereinafterexplained. A shaft 1 is journaled in the holder-section A and carries onone projecting end a cog-wheel w, meshing with a pinion on acountershaft 9 6 carrying a worm-wheel a, engaged by a worm on the drive-shaft which carries a belt-pulley f. \Vithin the section A theshaft 0 carries a pair of similar sprocket-wheels 5 and on a framestructure 1), extending above 95 the open top of the holder-section A,is journaled a shaft /1., carrying a pair of similar sprocket-wheels y.Only one each of' these sprocket-wheels is shown, owing to the nature ofthe views selected for illustration. An endless chain E passes abouteach set of the sprockets g and g, and these chains extend through theholder in parallel relation to each other over sprocket-pinions '21 i,journaled in suitable positions therein, and within the section A thechains travel on opposite sides of a vertical central diaphragm F,reaching horizontally through the passage G into the section A thisdiaphragm extending downward from an agitator or stirrer Gr on a shaftIt", journaled in the holder-section A and carrying on a projecting enda fixed pulley 7c and an idler-pulley k Fig. 2. A similar agitator G isprovided in the sections A on a rotary shaft Z, carrying on oneprojecting end abelt-pulley Z. A drivepulley m is provided adjacent tothe pulley Z on the holder-casing and carries a beveled gear m, engagedby a beveled pinion m on an extensionf' of the driving worm-shaft f. Anendless rope H passes from the pulley on about the idler k thence aboutthe pulleysZ and k to the pulley m, whereby driving the latter from theshaftf in the direction of the arrow on that pulley drives the rope, asindicated by arrows, to rotate the agitators G G.

Atl are represented the usual skeleton trays for the bottles not shown)on hangers n, pivotally suspended at intervals on the chains to supportbetween them the trays and adapt the latter always to maintain anupright position.

The operation is as follows: The bottles, the contents of which are tobe pasteurized, are loaded upon the trays I as they attain in the travelof the chains E the upper end of the holder-section A at which aplatform (not shown) may be provided for the supply of filled bottles tobe loaded and for the workmen in loading and unloading them. The holder,which is vented through a pipe (Z is filled with water to the line ofthe overflowoutlet (F in the section A and the steam injected from thepipe (Z into the body of the water keeps it hot in the section A, whilethat in the section A is cooler and that in the section A still cooleror about the temperature of the surrounding atmosphere. The drivingspeed of the chains E is very slow, and the driving connection with thestirrers G and G actuates them to maintain an easy circulation of thewater through the holder to assist in maintaining therein the desiredvariations in temperature in the three sections. The bottles loaded uponthe chains pass downward in the holder-section A along the outer side ofthe diaphragm F into the water at about atmospheric temperature to avoidbreaking the bottles by suddenly subjecting them to a temperature thatis too high. As the bottles pass downward through the passage G into thesection A the temperature of the water through which they pass increasesuntil they enter the section A, wherein the water is hottest and whereinthe pasteurizing effect is exerted. As the bottles travel in thecontrary direction through the passage G into the section A and throughthe passage G into the section A the temperature of the water graduallydecreases until the bottles are delivered along the inner side of thediaphragm F to the upper end of the last holder-section, where they areunloaded from the trays as they emerge from the apparatus.

The diaphragm F and the agitators G and G, respectively, near itsopposite ends, are important elements of my improved construction, forthey cooperate with the conveyer E to effect the travel of the bottleson entering the apparatus along one side of the diaphragm through atemperature approximating that of the surrounding atmosphere and ondelivery from the apparatus on the opposite side of the diaphragmthrough a similarly low temperature. These temperatures of the watertoward the points of introduction and egress of the bottles at the upperend of the section A of the apparatus are superinduced by the action ofthe agitator G, which tends to circulate the water from the warmer zonethereof in the apparatus along the upper and inner surface of thediaphragm, and by that of the agitator G, which carries the water on theoutside of the diaphragm upward and into the chamber in front of thediaphragm.

Vhat I claim as new, and desire to secure by Letters Patent, is

In a pasteurizing apparatus of the character described, the water-holderbuilt in sections forming restricted passages, at which they are securedtogether and through which the sections intercommunicate, and air-spacesbetween the sections, with the section at one end of the apparatus openat its top, a conveyer traveling through the apparatus, a diaphragmextending vertically and centrally through said end section and into thesection adjacent to it, and agitators in said last-named two sections,substantially as and for the purpose set forth.

WALTER B. WVRIG'HT. In presence of- SAML. G. PRINCE, NV ALTER N.VVINBERG.

